Patents by Inventor Keonwoo KIM

Keonwoo KIM has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230137522
    Abstract: A display system configured to quickly restore a screen display without re-starting, even though the power supply from the outside is temporarily interrupted. The display system includes a display to display a screen based on image information to be displayed, and a power supply configured to support the display module and supply power to the display module in a wireless manner. The display is configured to, when the display is spaced apart from the power supply by a predetermined distance or more, selectively operate in one of a power saving mode for lowering luminance of at least a portion of the screen and an ultra-power saving mode for turning OFF at least a portion of the screen while maintaining a turned-on state of the display.
    Type: Application
    Filed: August 29, 2022
    Publication date: May 4, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Moonyoung KIM, Jeongil KANG, Keonwoo KIM
  • Publication number: 20230080991
    Abstract: A wafer processing apparatus may include a plurality of equipment front end modules (EFEMs), a wafer transfer chamber, a wafer processing chamber, and a wafer transfer arm. Each of the plurality of EFEMs may include an EFEM chamber, a plurality of load ports provided at a side of the EFEM chamber, and a load lock provided at a side of the EFEM chamber to overlap with at least one of the plurality of load ports in a vertical direction.
    Type: Application
    Filed: April 18, 2022
    Publication date: March 16, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jinhyuk Choi, Myungki Song, Kongwoo Lee, Kyusang Lee, Beomsoo Hwang, Keonwoo Kim, Jonghwi Seo
  • Publication number: 20230065839
    Abstract: A display device includes: a transformer including a core including a first surface and a protrusion protruding from the first surface along a direction which the first surface faces, wherein a cross-section of a first portion of the protrusion perpendicular to the direction which the first surface faces has a first area and a cross-section of a second portion of the protrusion between the first portion and the first surface has a second area that is larger than the first area; a first inductor sub-assembly including a first bobbin having a first opening corresponding to the first area, to be in contact with an outer circumference of a first portion of the core, and an inductor wound around the first bobbin; and a second inductor sub-assembly including a second bobbin having a second opening corresponding to the second area, to be in contact with an outer circumference of a second portion of the core, and an inductor wound around in the second bobbin.
    Type: Application
    Filed: July 11, 2022
    Publication date: March 2, 2023
    Inventors: Moonyoung KIM, Keonwoo KIM, Jeongil KANG
  • Publication number: 20230037038
    Abstract: A deposition apparatus, includes a chamber having at least one first gas inlet therein. A fixed chuck is installed in the chamber and an electrostatic chuck is installed on the fixed chuck. An edge ring is disposed on an edge of the electrostatic chuck. A shower head is disposed above the edge ring. A baffle is disposed above the shower head and an upper electrode is disposed above the baffle. A gas guide member is disposed above the upper electrode so that a flow path provided in the upper electrode and the first gas inlet are connected. The gas guide member has a flow path hole penetrating in upward and downward directions, and a plurality of guide holes are provided on an inner surface of the gas guide member.
    Type: Application
    Filed: March 23, 2022
    Publication date: February 2, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byoungcheol HWANG, Sangwook LEE, Sunghyup KIM, Keonwoo KIM, Junyoung CHOI, Sanghoon CHEONG
  • Publication number: 20230006026
    Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.
    Type: Application
    Filed: September 8, 2022
    Publication date: January 5, 2023
    Inventors: Keonwoo KIM, Deukjong KIM, Dong-Hyun LEE, Deok-Young CHOI
  • Patent number: 11444144
    Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: September 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keonwoo Kim, Deukjong Kim, Dong-Hyun Lee, Deok-Young Choi
  • Patent number: 11436984
    Abstract: A pixel includes an organic light emitting diode including an anode electrode and a cathode electrode; a driving transistor including an input electrode connected to a first node (FN), a control electrode connected to a second node, and an output electrode connected to a third node; a switching transistor to apply a data signal to the FN in response to a scan signal in a second period; a first initialization transistor to apply a first initialization voltage to the second node in response to an initialization control signal in a first period (FP); a second initialization transistor to apply a second initialization voltage having a voltage level different from the first initialization voltage to the anode electrode in response to the initialization control signal in the FP; and an on-bias transistor to apply a first driving voltage to the FN in response to an on-bias control signal in the FP.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: September 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yongsung Park, Minwoo Byun, Keonwoo Kim, Seungbin Lee, Deok-young Choi
  • Patent number: 11404252
    Abstract: An electrostatic chuck includes a chuck plate configured to mount a substrate, an insulation pillar provided outside the chuck plate, the insulation pillar having a pin hole formed therein, a first movable ring provided on the insulation pillar, surrounding a side of the chuck plate, a second movable ring configured to cover at least a part of an upper portion of the first movable ring, and a driving pin configured to move in the pin hole of the insulation pillar in a vertical direction, the driving pin overlapped by at least a part of the first movable ring and at least a part of the second movable ring in the vertical direction. The driving pin is configured to drive the first movable ring and the second movable ring in the vertical direction or to drive the second movable ring in the vertical direction.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeongsang Kim, Keonwoo Kim, Eungsu Kim, Hakyoung Kim, Heewon Min, Kyeongtea Bang, Seungwon Shin, Dongyun Yeo, Hyanjung Lee, Kyeongseok Jeong
  • Patent number: 11194432
    Abstract: A display device includes: a base layer including a display area and a non-display area; a circuit element layer disposed on the base layer; a display element layer disposed on the circuit element layer; a plurality of signal pads disposed on the base layer, wherein the plurality of signal pads are spaced a predetermined interval from each other, and are electrically connected to the circuit element layer; and an input sensing layer including a conductive layer and an input insulation layer, wherein the conductive layer is disposed on the display element layer, and the input insulation layer covers the conductive layer and a portion of each of the signal pads. Each of the signal pads includes a first pad portion and a second pad portion, wherein the first pad portion overlaps the input insulation layer, and the second pad portion does not overlap the input insulation layer.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keonwoo Kim, Deukjong Kim, Hyunwoo Kim, Dong-Hyun Lee, Sangmi Jeon, Joohye Jung
  • Publication number: 20210296423
    Abstract: A display device includes: a base layer having a first area and a second area adjacent to the first area; a plurality of pixels on the first area of the base layer; a power line configured to supply the plurality of pixels with power; a power pattern on the second area and electrically connected to the power line; and a protrusion on the second area, the protrusion surrounding at least a portion of the first area and including a first protruding portion and a second protruding portion on the first protruding portion, wherein the power pattern includes an overlapping portion between the first protruding portion and the second protruding portion, the overlapping portion having an opening.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 23, 2021
    Inventors: Joohye JUNG, Wonjang KI, Keonwoo KIM, Dong-Hyun LEE, Mijin JUN, Sangmi JEON
  • Publication number: 20210256916
    Abstract: A pixel includes an organic light emitting diode including an anode electrode and a cathode electrode; a driving transistor including an input electrode connected to a first node (FN), a control electrode connected to a second node, and an output electrode connected to a third node; a switching transistor to apply a data signal to the FN in response to a scan signal in a second period; a first initialization transistor to apply a first initialization voltage to the second node in response to an initialization control signal in a first period (FP); a second initialization transistor to apply a second initialization voltage having a voltage level different from the first initialization voltage to the anode electrode in response to the initialization control signal in the FP; and an on-bias transistor to apply a first driving voltage to the FN in response to an on-bias control signal in the FP.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 19, 2021
    Inventors: Yongsung PARK, Minwoo BYUN, Keonwoo KIM, Seungbin LEE, Deok-young CHOI
  • Publication number: 20210257424
    Abstract: A display device including: a substrate; a plurality of display elements defining a display area on the substrate and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a power supply wiring disposed outside the display area; an organic insulating layer on the power supply wiring and having an opening exposing the power supply wiring; a power supply electrode layer partially disposed on the organic insulating layer and including a plurality of holes over the organic insulating layer. A first portion of the power supply electrode layer overlaps the power supply wiring and a second portion of the power supply electrode layer overlaps the opposite electrode; a plurality of protrusions spaced apart from each other and respectively covering at least some of the plurality of holes; and an encapsulation layer covering the plurality of display elements.
    Type: Application
    Filed: May 4, 2021
    Publication date: August 19, 2021
    Inventors: Minwoo BYUN, Keonwoo KIM, Mangi KIM, Donghyun LEE, Byeongguk JEON, Byungsun KIM, Yangwan KIM, Hyungjun PARK, Sujin LEE, Jaeyong LEE
  • Patent number: 11024237
    Abstract: A pixel includes an organic light emitting diode including an anode electrode and a cathode electrode; a driving transistor including an input electrode connected to a first node (FN), a control electrode connected to a second node, and an output electrode connected to a third node; a switching transistor to apply a data signal to the FN in response to a scan signal in a second period; a first initialization transistor to apply a first initialization voltage to the second node in response to an initialization control signal in a first period (FP); a second initialization transistor to apply a second initialization voltage having a voltage level different from the first initialization voltage to the anode electrode in response to the initialization control signal in the FP; and an on-bias transistor to apply a first driving voltage to the FN in response to an on-bias control signal in the FP.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: June 1, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yongsung Park, Minwoo Byun, Keonwoo Kim, Seungbin Lee, Deok-young Choi
  • Publication number: 20210159112
    Abstract: A lift apparatus for moving an object up and down in a substrate processing apparatus, the lift apparatus including a body configured to support the object while a lift hole, included in the body, is overlapped by the object in a vertical direction; a lift pin configured to move the object up and down by moving up and down in the lift hole; a bellows including an upper flange, a lower flange, and a flexible pipe; a connector combined with a lower portion of the lift pin in the flexible pipe and configured to interfere with downward movement of the lift pin and to allow at least one from among rotation, sliding, and tilting of the lift pin; a load sensor configured to measure vertical load generated in accordance with movement of the lift pin; and an actuator configured to move the lift pin up and down.
    Type: Application
    Filed: June 8, 2020
    Publication date: May 27, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeongsang Kim, Keonwoo Kim, Wooram Kim, Eungsu Kim, Heewon Min, Sangwook Park, Seungwon Shin, Dongyun Yeo, Geunsik Oh, Hyanjung Lee
  • Patent number: 11004915
    Abstract: Provided is a display device including: a substrate; a plurality of display elements defining a display area on the substrate and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a power supply wiring disposed outside the display area; an organic insulating layer on the power supply wiring and having an opening exposing the power supply wiring; a power supply electrode layer partially disposed on the organic insulating layer and including a plurality of holes over the organic insulating layer, wherein a first portion of the power supply electrode layer overlaps the power supply wiring and a second portion of the power supply electrode layer overlaps the opposite electrode; a plurality of protrusions spaced apart from each other and respectively covering at least some of the plurality of holes; and an encapsulation layer covering the plurality of display elements.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: May 11, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minwoo Byun, Keonwoo Kim, Mangi Kim, Donghyun Lee, Byeongguk Jeon, Byungsun Kim, Yangwan Kim, Hyungjun Park, Sujin Lee, Jaeyong Lee
  • Publication number: 20210111007
    Abstract: An electrostatic chuck includes a chuck plate configured to mount a substrate, an insulation pillar provided outside the chuck plate, the insulation pillar having a pin hole formed therein, a first movable ring provided on the insulation pillar, surrounding a side of the chuck plate, a second movable ring configured to cover at least a part of an upper portion of the first movable ring, and a driving pin configured to move in the pin hole of the insulation pillar in a vertical direction, the driving pin overlapped by at least a part of the first movable ring and at least a part of the second movable ring in the vertical direction. The driving pin is configured to drive the first movable ring and the second movable ring in the vertical direction or to drive the second movable ring in the vertical direction.
    Type: Application
    Filed: May 4, 2020
    Publication date: April 15, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeongsang KIM, Keonwoo KIM, Eungsu KIM, Hakyoung KIM, Heewon MIN, Kyeongtea BANG, Seungwon SHIN, Dongyun YEO, Hyanjung LEE, Kyeongseok JEONG
  • Publication number: 20210028052
    Abstract: A substrate processing apparatus and a lift pin alignment apparatus, the substrate processing apparatus including a chamber; a substrate plate on which the substrate is seatable; a plurality of movable lift in the substrate plate to support the substrate; a leveling sensor configured to be loadable in the chamber on the lift pins; a controller configured to receive measurement values of roll (?) and pitch (?) of a plane of the lift pins to calculate a rotation matrix (T) of the plane from the measurement values of roll (?) and pitch (?), and to calculate travel distances of the lift pins for leveling the plane to be parallel with a horizontal reference plane by using the rotation matrix (T) and to output a lift pin control signal for aligning the lift pins; and a lift pin driver to move the lift pins according to the lift pin control signal.
    Type: Application
    Filed: April 13, 2020
    Publication date: January 28, 2021
    Inventors: Jinho SO, Keonwoo KIM, Joohee KIM, Minsung KIM, Eultae KIM, Bora YOON
  • Publication number: 20200356214
    Abstract: A display device includes: a base layer including a display area and a non-display area; a circuit element layer disposed on the base layer; a display element layer disposed on the circuit element layer; a plurality of signal pads disposed on the base layer, wherein the plurality of signal pads are spaced a predetermined interval from each other, and are electrically connected to the circuit element layer; and an input sensing layer including a conductive layer and an input insulation layer, wherein the conductive layer is disposed on the display element layer, and the input insulation layer covers the conductive layer and a portion of each of the signal pads. Each of the signal pads includes a first pad portion and a second pad portion, wherein the first pad portion overlaps the input insulation layer, and the second pad portion does not overlap the input insulation layer.
    Type: Application
    Filed: April 16, 2020
    Publication date: November 12, 2020
    Inventors: Keonwoo KIM, DEUKJONG KIM, Hyunwoo KIM, Dong-Hyun LEE, Sangmi JEON, Joohye JUNG
  • Publication number: 20200350390
    Abstract: A display device includes first and second signal lines, first and second signal pads, and a pad insulating layer overlapping with the first and second signal lines. The first signal pad includes an intermediate conductive pattern overlapping with and connected to an end portion of the first signal line, and an upper conductive pattern on the intermediate conductive pattern, the upper conductive pattern being exposed through the pad insulating layer. The intermediate conductive pattern includes a first portion overlapping with the end portion of the first signal line, and a second portion between the end portion of the first signal line and an end portion of the second signal line and extending from the first portion. The upper conductive pattern is connected to the second portion of the intermediate conductive pattern.
    Type: Application
    Filed: April 23, 2020
    Publication date: November 5, 2020
    Inventors: Keonwoo KIM, Deukjong KIM, Dong-Hyun LEE, Deok-Young CHOI
  • Patent number: 10746078
    Abstract: Disclosed is an exhaust sound generating apparatus of a vehicle including a housing which has a connection flow passage connected to the exhaust pipe of a vehicle and is open on one surface, a cover member covering the open portion of the housing, and a membrane accommodated in an inside of the housing to partition the inside of the housing into a first space on the connection flow passage side and a second space on the cover member side and vibrated by the pulsation of exhaust gas.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: August 18, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Keonwoo Kim, HyunWoo Yoon